Data Models into Database Designs Which is not true about surrogate keys? They are numeric. They are short. They are fixed. They have meaning to the user. They are numeric. They are short. They are fixed. They have meaning to the user. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs (STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? MUST COVER Both of the above None of these MUST NOT MUST COVER Both of the above None of these MUST NOT ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs All primary keys are required. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A primary key should be defined as: None of these NULL. NOT NULL. Either of the above can be used. None of these NULL. NOT NULL. Either of the above can be used. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs An intersection table is required to represent M:N relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
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